Income Inequality in Nassau County, NY was 14.52719 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Nassau County, NY reached a record high of 14.78956 in January of 2020 and a record low of 13.26230 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Nassau County, NY - last updated from the United States Federal Reserve on May of 2024.